Company lists · Data refreshed September 2026

Top 25 Outbound agencies based in Belgium

RevenueBase identified 138 company matches for outbound agencies associated with Belgium as of September 2026 and tracks 1,013 professional contacts across them, including 182 with verified work emails. Brussels is the largest hub.

This list covers company matches for outbound agencies associated with Belgium, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
138Companies
1,013Contacts tracked
182Verified emails
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The 25 largest outbound agencies based in Belgium

Ranked by team size
Top 25 of 138 company matches for outbound agencies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBrussels, BelgiumHQ recorded Sep 21, 202651-20048 contacts →

Exact match

“Havas aims to be the world’s best company at creating meaningful connections between people and brands using creativity, media and innovation.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchLouvain-la-neuve, BelgiumHQ recorded Sep 21, 202611-5041 contacts →

Exact match

“Agidrive aide les entreprises à se développer au niveau commercial en prospectant pour elles tout en permettant à nos collaborateurs de vivre une expérience professionnelle…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchGhent, BelgiumHQ recorded Sep 21, 202611-5040 contacts →

Exact match

“Ants is een apart agentschap.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchBrussels, BelgiumHQ recorded Sep 21, 202611-5034 contacts →

Exact match

“Air is Belgium's leading independent agency and exclusive partner of McCann Group.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLier, BelgiumHQ recorded Sep 21, 2026n/a32 contacts →

Exact match

“MCLS nv is your ideal partner for customer acquisition.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchMechelen, BelgiumHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“Every proactive customer- or prospect contact, should be relevant, generate value and be surprisingly pleasant for ALL stakeholders.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBraine-l Alleud, BelgiumHQ recorded Sep 21, 202651-20027 contacts →

Exact match

“Depuis 1987, Créaset se positionne comme le One Stop Shop des agences et des annonceurs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchZaventem, BelgiumHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Welcome to ZIGT Media.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchAntwerp, BelgiumHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“Meer leads en bezoekers op je website en in de showroom?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWillebroek, BelgiumHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“Telmacom is gespecialiseerd in telefonische prospectie.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchZaventem, BelgiumHQ recorded Sep 21, 202651-20016 contacts →

Exact match

“The Propaganda Group, founded in 2021, brings together a variety of agencies in the communications and marketing spectrum.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBrussels, BelgiumHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“It all started with a simple belief: recruitment should be more than filling vacancies, it should help people grow and companies thrive with purpose.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchAntwerp, BelgiumHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“In veel bedrijven is marketing een bron van frustratie, omdat ze er niet in slagen aan te tonen hoeveel extra business ze genereren.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchWaregem, BelgiumHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Als unbound agency maken we slim werk voor jouw merk.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchJuprelle, BelgiumHQ recorded Sep 21, 202651-20012 contacts →

Exact match

“Field Marketing Agency Benelux - France Conseil en stratégie commerciale.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchSchilde, BelgiumHQ recorded Sep 21, 20261-1011 contacts →

Exact match

“Xian agency, created by Joeri Bogaerts, located in the heart of Antwerp with one thought on its mind: your business and image.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchDiegem, BelgiumHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Seastream Media provides marketing production, media operations, and specialised digital services for European agencies and brands.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchAntwerp, BelgiumHQ recorded Sep 21, 20261-109 contacts →

Exact match

“What would your marketing budget look like if you knew every € invested would make you in return?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchAntwerp, BelgiumHQ recorded Sep 21, 20261-108 contacts →

Exact match

“Sellent helps B2B companies structure their sales process to win new customers, through targeted lead generation, consistent follow-up, and smart use of data and tools.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchKortrijk, BelgiumHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Veel bedrijven willen groeien, maar hebben niet genoeg tijd voor actieve prospectie.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchEtterbeek Brussels, BelgiumHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Centralisez vos challenges marketing!" Nous sommes une agence marketing spécialisée dans le développement de sites internet et l'activation pub.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchBrussels, BelgiumHQ recorded Sep 21, 202611-507 contacts →

Exact match

“WinPeo helps companies grow in Europe and globally by building and operating high-performing sales systems.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchDrongen, BelgiumHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Meer bereik.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchLeopoldsburg, BelgiumHQ recorded Sep 21, 202611-506 contacts →

Exact match

“Met meer dan 45 jaar ervaring in reclame staat Reclame Quintens garant als betrouwbare partner in advies, ontwerp, productie/print en plaatsing van jouw bedrijfs- en…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchRoeselare, BelgiumHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Met In The Lead helpen we vooral B2B-bedrijven in het genereren van kwalitatieve leads én zorgen we voor ondersteuning van de sales bij het verwerken ervan.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 138 outbound agencies based in Belgium

See the full list, filter by size, metro and specialty, and access 182 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outbound agencies based in Belgium at a glance

As of Sep 21, 2026
18.0%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
17.4%Largest-city concentration · Brussels
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
40
51-200
10
201-500
2
501-1,000
1
1,001-5,000
3

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 138 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Belgium whose business descriptions match “outbound agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 182 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “outbound agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outbound agencies are there based in Belgium?

RevenueBase identified 138 company matches for outbound agencies associated with Belgium as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Havas Belgium tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most outbound agencies?

Brussels leads with 24 company records, followed by Antwerp (6) and Ghent (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 182 professional contacts with verified work emails tracked across these 138 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.